casual negligence
casual negligence 轻过失 指较一般过失〔ordinary negligence〕轻微的过失。
A plaintiff’s failure to (1) pay reasonable attention to his or her surroundings, so as to discover the danger created by the defendant’s negligence, (2) exercise reasonable competence, care, diligence, and skill to avoid the danger once it is perceived, or (3) prepare as a reasonable person would to avoid future dangers.